Impeller of waterwheel



FIG. 1 is a front view of an impeller of waterwheel showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a perspective view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a cross-sectional view thereof taken along section line 8-8 of FIG. 1; and,

FIG. 9 is a cross-sectional view thereof taken along section line 9-9 of FIG. 1.

The particular cross-hatching patterns in FIGS. 1-9 do not represent any particular materials. 

CLAIM The ornamental design for an impeller of waterwheel, as shown and described. 